set autoscale
unset log 
set logscale y
set title "Decode ( w = 16 )"
set xtic auto
set ytic auto
set key left top
set xlabel "K"
set ylabel "Time (sec)"
set terminal png
set output 'decodew16.png'
plot "decodew16.dat" using 2:4 title 'Jerasure2 Matrix' w points , \
     "decodew16.dat" using 2:5 title 'Jerasure2 Bitmatrix' w points , \
	 "decodew16.dat" using 2:6 title 'Jerasure3 Matrix' w points , \
	 "decodew16.dat" using 2:7 title 'Jerasure3 Bitmatrix' w points
